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xAI

xAI: Grok 4 Fast Non-Reasoning

xai/grok-4-fast-reasoning · rates as of · How this catalog is built · Benchmarks

Fast Grok model for responsive chat, reasoning, and tool-assisted work

Cheapest input
$0.18
$/MTok · models.dev
Cheapest output
$0.45
$/MTok
Context
2M
tokens
Sources
2
17 listings

Sources

Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.

SourceProviderInputOutputCache readContext
models.devcheapestgrok-4-fast-non-reasoningJiekou.AI$0.18$0.45$02M
models.devcheapestgrok-4-fast-reasoningJiekou.AI$0.18$0.45$02M
models.devgrok-4-fast-non-reasoning302.AI$0.2$0.5$02M
models.devgrok-4-fast-non-reasoningAbacus$0.2$0.5$02M
models.devgrok-4-fast-non-reasoningHelicone$0.2$0.5$0.052M
models.devgrok-4-fast-reasoning302.AI$0.2$0.5$02M
models.devgrok-4-fast-reasoningHelicone$0.2$0.5$0.052M
models.devxai/grok-4-fast-non-reasoningEden AI$0.2$0.5$0.052M
models.devxai/grok-4-fast-non-reasoningPoe$0.2$0.5$0.052M
models.devxai/grok-4-fast-reasoningPoe$0.2$0.5$0.052M
LiteLLMgrok-4-fast-non-reasoningN/A$0.2$0.5$0.02N/A
LiteLLMgrok-4-fast-reasoningN/A$0.2$0.5$0.02N/A
LiteLLMazure_ai/grok-4-fast-non-reasoningN/A$0.2$0.5$0.02N/A
LiteLLMazure_ai/grok-4-fast-reasoningN/A$0.2$0.5$0.02N/A
models.devx-ai/grok-4-fast-non-reasoningAI/ML API$1.25$2.50$0.22M
LiteLLMoci/xai.grok-4-fastN/A$5$25$0.5N/A
LiteLLMxai.grok-4-fastN/A$5$25$0.5N/A

Capabilities

  • Reasoning
  • Tool calling
  • Structured output
  • Attachments
  • In: text
  • In: image
  • In: audio
  • In: video
  • Out: text
Knowledge cutoff: 2025-06Released: 2025-12-18Family: grok

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